5 letter words:
benis7,
bines7,
nisei5,
4 letter words:
bein6,
beni6,
bens6,
bien6,
bine6,
bins6,
bise6,
buns6,
ibis6,
nebs6,
nibs6,
nubs6,
sneb6,
snib6,
snub6,
unbe6,
nies4,
nisi4,
sien4,
sine4,
unis4,
3 letter words:
ben5,
bes5,
bin5,
bis5,
bun5,
bus5,
neb5,
nib5,
nub5,
sib5,
sub5,
ens3,
ins3,
nie3,
nis3,
nus3,
sei3,
sen3,
sin3,
sue3,
sui3,
sun3,
uni3,
uns3,
use3,
2 letter words:
be4,
bi4,
en2,
es2,
in2,
is2,
ne2,
nu2,
si2,
un2,
us2,